| 
					
				 | 
			
			
				@@ -2298,7 +2298,7 @@ public class CourseScheduleServiceImpl extends BaseServiceImpl<Long, CourseSched 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				                 groups.add(group); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				                 teacherIds.add(courseScheduleEndDto.getActualTeacherId()); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				             } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				-            List<Map<Integer, String>> nameIdMaps = teacherDao.queryUsernameByIds(teacherIds); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            List<Map<Integer, String>> nameIdMaps = teacherDao.queryNameByIds(StringUtils.join(teacherIds,",")); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				             Map<Integer, String> nameIdMap=MapUtil.convertIntegerMap(nameIdMaps); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				             groups = groupDao.findByGroupIds(groups); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				             Map<String, Map<GroupType, List<Group>>> groupsGroupByGroup = groups.stream().collect(Collectors.groupingBy(Group::getId, Collectors.groupingBy(Group::getGroupType))); 
			 |